some of the boys began to ______(say)"GOOD MORNING"
问题描述:
some of the boys began to ______(say)"GOOD MORNING"
答
用其原形.短语begin to do sth意为开始干某事.
some of the boys began to ______(say)"GOOD MORNING"
用其原形.短语begin to do sth意为开始干某事.